;
(function($, window, document, undefined) {

    //定义Code的构造函数
    var Code = function(ele, opt) {
        this.$element = ele,
            this.defaults = {
                type: 1,
                figure: 100, //位数，仅在type=2时生效
                arith: 0, //算法，支持加减乘，0为随机，仅在type=2时生效
                width: '100px',
                height: '30px',
                fontSize: '20px',
                codeLength: 6,
                btnId: 'check-btn',
                ready: function() {},
                success: function() {},
                error: function() {}
            },
            this.options = $.extend({}, this.defaults, opt)
    };

    var _code_chars = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'];
    var _code_color1 = ['#fffff0', '#f0ffff', '#f0fff0', '#fff0f0'];
    var _code_color2 = ['#FF0033', '#006699', '#993366', '#FF9900', '#66CC66', '#FF33CC'];

    //定义Code的方法
    Code.prototype = {
        init: function() {

            var _this = this;

            this.loadDom();
            this.setCode();

            this.options.ready();

            this.$element[0].onselectstart = document.body.ondrag = function() {
                return false;
            };

            //点击验证码
            this.$element.find('.verify-code, .verify-change-code').on('click', function() {
                _this.setCode();
            });

            //确定的点击事件
            this.htmlDoms.code_btn.on('click', function() {
                _this.checkCode();
            })

        },

        //加载页面
        loadDom: function() {
            var panelHtml = '<div style="display: flex " class="cerify-code-panel"><div class="verify-code"></div><div class="verify-code-area"><div class="verify-input-area"><input style="height: 40px" type="text" class="varify-input-code" /></div><div class="verify-change-area"><a class="verify-change-code" style="margin-left: 60px; color: gold">看不清，换一张</a></div></div></div>';
            this.$element.append(panelHtml);

            this.isEnd = false;

            this.htmlDoms = {
                code_btn: $('#' + this.options.btnId),
                code: this.$element.find('.verify-code'),
                code_area: this.$element.find('.verify-code-area'),
                code_input: this.$element.find('.varify-input-code'),
            };

            this.htmlDoms.code.css({ 'width': this.options.width, 'height': this.options.height, 'line-height': this.options.height, 'font-size': this.options.fontSize });
            this.htmlDoms.code_area.css({ 'width': this.options.width });
        },


        //设置验证码
        setCode: function() {
            if (this.isEnd == false) {

                var color1Num = Math.floor(Math.random() * 3);
                var color2Num = Math.floor(Math.random() * 5);

                this.htmlDoms.code.css({ 'background-color': _code_color1[color1Num], 'color': _code_color2[color2Num] });
                this.htmlDoms.code_input.val('');

                var code = '';
                this.code_chose = '';

                if (this.options.type == 1) { //普通验证码
                    for (var i = 0; i < this.options.codeLength; i++) {
                        var charNum = Math.floor(Math.random() * 52);
                        var tmpStyle = (charNum % 2 == 0) ? "font-style:italic;margin-right: 10px;" : "font-weight:bolder;";
                        tmpStyle += (Math.floor(Math.random() * 2) == 1) ? "font-weight:bolder;" : "";

                        this.code_chose += _code_chars[charNum];
                        code += '<font style="' + tmpStyle + '">' + _code_chars[charNum] + '</font>';
                    }
                } else { //算法验证码

                    var num1 = Math.floor(Math.random() * this.options.figure);
                    var num2 = Math.floor(Math.random() * this.options.figure);

                    if (this.options.arith == 0) {
                        var tmparith = Math.floor(Math.random() * 3);
                    }

                    switch (tmparith) {
                        case 1:
                            this.code_chose = parseInt(num1) + parseInt(num2);
                            code = ' 计算: ' + num1 + '+' + num2 + ' = ?';
                            break;
                        case 2:
                            if (parseInt(num1) < parseInt(num2)) {
                                var tmpnum = num1;
                                num1 = num2;
                                num2 = tmpnum;
                            }
                            this.code_chose = parseInt(num1) - parseInt(num2);
                            code = ' 计算: ' + num1 + '-' + num2 + ' = ?';
                            break;
                        default:
                            this.code_chose = parseInt(num1) * parseInt(num2);
                            code = ' 计算: ' + num1 + '×' + num2 + ' = ?';
                            break;
                    }
                }

                this.htmlDoms.code.html(code);
            }
        },

        //比对验证码
        checkCode: function() {
            if (this.options.type == 1) { //普通验证码
                var own_input = this.htmlDoms.code_input.val().toUpperCase();
                this.code_chose = this.code_chose.toUpperCase();
            } else {
                var own_input = this.htmlDoms.code_input.val();
            }

            if (own_input == this.code_chose) {
                this.isEnd = true;
                this.options.success(this);
            } else {
                this.options.error(this);
                this.setCode();
            }
        },

        //刷新
        refresh: function() {
            this.isEnd = false;
            this.$element.find('.verify-code').click();
        }


    };


    //定义Slide的构造函数
    var Slide = function(ele, opt) {
        this.$element = ele,
            this.defaults = {

                type: 1,
                mode: 'fixed', //弹出式pop，固定fixed
                vOffset: 5,
                vSpace: 5,
                explain: '向右滑动完成验证',
                imgUrl: 'images/',
                imgName: ['1.jpg', '2.jpg'],
                imgSize: {
                    width: '400px',
                    height: '200px',
                },
                blockSize: {
                    width: '50px',
                    height: '50px',
                },
                circleRadius: '10px',
                barSize: {
                    width: '400px',
                    height: '40px',
                },
                ready: function() {},
                success: function() {},
                error: function() {}

            },
            this.options = $.extend({}, this.defaults, opt)
    };


    //定义Slide的方法
    Slide.prototype = {

        init: function() {
            var _this = this;

            //加载页面
            this.loadDom();
            _this.refresh();
            this.options.ready();

            this.$element[0].onselectstart = document.body.ondrag = function() {
                return false;
            };

            if (this.options.mode == 'pop') {
                this.$element.on('mouseover', function(e) {
                    _this.showImg();
                });

                this.$element.on('mouseout', function(e) {
                    _this.hideImg();
                });


                this.htmlDoms.out_panel.on('mouseover', function(e) {
                    _this.showImg();
                });

                this.htmlDoms.out_panel.on('mouseout', function(e) {
                    _this.hideImg();
                });
            }

            //按下
            this.htmlDoms.move_block.on('touchstart', function(e) {
                _this.start(e);
            });

            this.htmlDoms.move_block.on('mousedown', function(e) {
                _this.start(e);
            });

            //拖动
            window.addEventListener("touchmove", function(e) {
                _this.move(e);
            });


            window.addEventListener("mousemove", function(e) {

                _this.move(e);
            });

            //鼠标松开
            window.addEventListener("touchend", function() {
                _this.end();
            });
            window.addEventListener("mouseup", function() {
                _this.end();
            });

            //刷新
            _this.$element.find('.verify-refresh').on('click', function() {
                _this.refresh();
            });
        },

        //初始化加载
        loadDom: function() {

            this.img_rand = Math.floor(Math.random() * this.options.imgName.length); //随机的背景图片
            this.status = false; //鼠标状态
            this.isEnd = false; //是够验证完成
            this.setSize = this.resetSize(this); //重新设置宽度高度
            this.plusWidth = 0;
            this.plusHeight = 0;
            this.x = 0;
            this.y = 0;
            var panelHtml = '';
            var tmpHtml = '';
            this.lengthPercent = (parseInt(this.setSize.img_width) - parseInt(this.setSize.block_width) - parseInt(this.setSize.circle_radius) - parseInt(this.setSize.circle_radius) * 0.8) / (parseInt(this.setSize.img_width) - parseInt(this.setSize.bar_height));

            if (this.options.type != 1) { //图片滑动

                panelHtml += '<div class="verify-img-out"><div class="verify-img-panel"><div class="verify-refresh" style="z-index:3"><i class="iconfont icon-refresh"></i></div><canvas  class="verify-img-canvas" width="' + this.setSize.img_width + '" height="' + this.setSize.img_height + '"></canvas></div></div>';

                this.plusWidth = parseInt(this.setSize.block_width) + parseInt(this.setSize.circle_radius) * 2 - parseInt(this.setSize.circle_radius) * 0.2;
                this.plusHeight = parseInt(this.setSize.block_height) + parseInt(this.setSize.circle_radius) * 2 - parseInt(this.setSize.circle_radius) * 0.2;

                tmpHtml = '<canvas class="verify-sub-block"  width="' + this.plusWidth + '" height="' + this.plusHeight + '" style="left:0; position:absolute;" ></canvas>';
            }

            panelHtml += tmpHtml + '<div class="verify-bar-area"><span  class="verify-msg">' + this.options.explain + '</span><div class="verify-left-bar"><span  class="verify-msg"></span><div  class="verify-move-block"><i  class="verify-icon iconfont icon-right"></i></div></div></div>';
            this.$element.append(panelHtml);

            this.htmlDoms = {
                sub_block: this.$element.find('.verify-sub-block'),
                out_panel: this.$element.find('.verify-img-out'),
                img_panel: this.$element.find('.verify-img-panel'),
                img_canvas: this.$element.find('.verify-img-canvas'),
                bar_area: this.$element.find('.verify-bar-area'),
                move_block: this.$element.find('.verify-move-block'),
                left_bar: this.$element.find('.verify-left-bar'),
                msg: this.$element.find('.verify-msg'),
                icon: this.$element.find('.verify-icon'),
                refresh: this.$element.find('.verify-refresh')
            };


            this.$element.css('position', 'relative');
            if (this.options.mode == 'pop') {
                this.htmlDoms.out_panel.css({ 'display': 'none', 'position': 'absolute', 'bottom': '42px' });
                this.htmlDoms.sub_block.css({ 'display': 'none' });
            } else {
                this.htmlDoms.out_panel.css({ 'position': 'relative' });
            }

            this.htmlDoms.out_panel.css('height', parseInt(this.setSize.img_height) + this.options.vSpace + 'px');
            this.htmlDoms.img_panel.css({ 'width': this.setSize.img_width, 'height': this.setSize.img_height });
            this.htmlDoms.bar_area.css({ 'width': this.setSize.bar_width, 'height': this.setSize.bar_height, 'line-height': this.setSize.bar_height });
            this.htmlDoms.move_block.css({ 'width': this.setSize.bar_height, 'height': this.setSize.bar_height });
            this.htmlDoms.left_bar.css({ 'width': this.setSize.bar_height, 'height': this.setSize.bar_height });

            this.randSet();
        },

        drawImg: function(obj, img) {

            var canvas = this.htmlDoms.img_canvas[0];
            if (canvas) {
                var ctx = canvas.getContext("2d");
                ctx.drawImage(img, 0, 0, parseInt(this.setSize.img_width), parseInt(this.setSize.img_height));

                graphParameter = {
                    x: this.x,
                    y: this.y,
                    r: parseInt(this.setSize.circle_radius),
                    w: (parseInt(this.setSize.block_width) - 2 * parseInt(this.setSize.circle_radius)) / 2,
                    h: (parseInt(this.setSize.block_height) - 2 * parseInt(this.setSize.circle_radius)) / 2
                };

                obj.drawRule(ctx, graphParameter);
            }

            var canvas2 = this.htmlDoms.sub_block[0];
            if (canvas2) {
                var proportionX = img.width / parseInt(this.setSize.img_width);
                var proportionY = img.height / parseInt(this.setSize.img_height);

                var ctx2 = canvas2.getContext("2d");

                ctx2.restore();
                ctx2.drawImage(img, this.x * proportionX, (this.y - parseInt(this.setSize.circle_radius) - parseInt(this.setSize.circle_radius) * 0.8) * proportionY, this.plusWidth * proportionX, this.plusHeight * proportionY, 0, 0, this.plusWidth, this.plusHeight);
                ctx2.save();
                ctx2.globalCompositeOperation = "destination-atop";

                graphParameter.x = 0;
                graphParameter.y = parseInt(this.setSize.circle_radius) + parseInt(this.setSize.circle_radius) * 0.8;
                obj.drawRule(ctx2, graphParameter);
            }
        },

        drawRule: function(ctx, graphParameter) {
            var x = graphParameter.x;
            var y = graphParameter.y;
            var r = graphParameter.r
            var w = graphParameter.w
            var h = graphParameter.h

            ctx.beginPath();
            ctx.moveTo(x, y);
            ctx.lineTo((x + w) + r * 0.4, y);
            ctx.arc((x + w) + r, y - r * 0.8, r, 0.7 * Math.PI, 0.3 * Math.PI);
            ctx.lineTo((x + (2 * w) + (2 * r)), y);
            ctx.lineTo((x + (2 * w) + (2 * r)), y + h);
            ctx.arc((x + (2 * w) + (2 * r)) + (r * 0.8), y + h + r, r, 1.2 * Math.PI, 0.8 * Math.PI);
            ctx.lineTo((x + (2 * w) + (2 * r)), y + (2 * h) + (2 * r));
            ctx.lineTo(x, y + (2 * h) + (2 * r));
            ctx.lineTo(x, y + h + 2 * r - r * 0.4);
            ctx.arc(x + (r * 0.8), y + h + r, r, 0.8 * Math.PI, 1.2 * Math.PI, true);
            ctx.lineTo(x, y);

            ctx.fillStyle = "#fff";
            ctx.fill();
            ctx.closePath();
        },


        //鼠标按下
        start: function(e) {
            if (this.isEnd == false) {
                this.htmlDoms.msg.text('');
                this.htmlDoms.move_block.css('background-color', '#337ab7');
                this.htmlDoms.left_bar.css('border-color', '#337AB7');
                this.htmlDoms.icon.css('color', '#fff');
                e.stopPropagation();
                this.status = true;
            }
        },

        //鼠标移动
        move: function(e) {
            if (this.status && this.isEnd == false) {
                if (this.options.mode == 'pop') {
                    this.showImg();
                }

                if (!e.touches) { //兼容移动端
                    var x = e.clientX;
                } else { //兼容PC端
                    var x = e.touches[0].pageX;
                }
                var bar_area_left = Slide.prototype.getLeft(this.htmlDoms.bar_area[0]);
                var move_block_left = x - bar_area_left; //小方块相对于父元素的left值


                if (this.options.type != 1) { //图片滑动
                    if (move_block_left >= (this.htmlDoms.bar_area[0].offsetWidth - parseInt(this.setSize.bar_height) + parseInt(parseInt(this.setSize.block_width) / 2) - 2)) {
                        move_block_left = (this.htmlDoms.bar_area[0].offsetWidth - parseInt(this.setSize.bar_height) + parseInt(parseInt(this.setSize.block_width) / 2) - 2);
                    }
                } else { //普通滑动
                    if (move_block_left >= this.htmlDoms.bar_area[0].offsetWidth - parseInt(parseInt(this.setSize.bar_height) / 2) + 3) {
                        this.$element.find('.verify-msg:eq(1)').text('松开验证');
                        move_block_left = this.htmlDoms.bar_area[0].offsetWidth - parseInt(parseInt(this.setSize.bar_height) / 2) + 3;
                    } else {
                        this.$element.find('.verify-msg:eq(1)').text('');
                    }
                }

                if (move_block_left <= parseInt(parseInt(this.setSize.block_width) / 2)) {
                    move_block_left = parseInt(parseInt(this.setSize.block_width) / 2);
                }


                //拖动后小方块的left值
                this.htmlDoms.move_block.css('left', move_block_left - parseInt(parseInt(this.setSize.block_width) / 2) + "px");
                this.htmlDoms.left_bar.css('width', move_block_left - parseInt(parseInt(this.setSize.block_width) / 2) + "px");
                this.htmlDoms.sub_block.css('left', (move_block_left - parseInt(parseInt(this.setSize.block_width) / 2)) * this.lengthPercent + "px");

            }
        },

        //鼠标松开
        end: function() {

            var _this = this;

            //判断是否重合
            if (this.status && this.isEnd == false) {

                if (this.options.type != 1) { //图片滑动

                    var vOffset = parseInt(this.options.vOffset);

                    if (parseInt(this.x) >= (parseInt(this.htmlDoms.sub_block.css('left')) - vOffset) && parseInt(this.x) <= (parseInt(this.htmlDoms.sub_block.css('left')) + vOffset)) {
                        this.htmlDoms.move_block.css('background-color', '#5cb85c');
                        this.htmlDoms.left_bar.css({ 'border-color': '#5cb85c', 'background-color': '#fff' });
                        this.htmlDoms.icon.css('color', '#fff');
                        this.htmlDoms.icon.removeClass('icon-right');
                        this.htmlDoms.icon.addClass('icon-check');
                        this.htmlDoms.refresh.hide();
                        this.isEnd = true;
                        this.options.success(this);
                    } else {
                        this.htmlDoms.move_block.css('background-color', '#d9534f');
                        this.htmlDoms.left_bar.css('border-color', '#d9534f');
                        this.htmlDoms.icon.css('color', '#fff');
                        this.htmlDoms.icon.removeClass('icon-right');
                        this.htmlDoms.icon.addClass('icon-close');


                        setTimeout(function() {
                            _this.refresh();
                        }, 400);

                        this.options.error(this);
                    }

                } else { //普通滑动

                    if (parseInt(this.htmlDoms.move_block.css('left')) >= (parseInt(this.setSize.bar_width) - parseInt(this.setSize.bar_height) - parseInt(this.options.vOffset))) {
                        this.htmlDoms.move_block.css('background-color', '#5cb85c');
                        this.htmlDoms.left_bar.css({ 'color': '#4cae4c', 'border-color': '#5cb85c', 'background-color': '#fff' });
                        this.htmlDoms.icon.css('color', '#fff');
                        this.htmlDoms.icon.removeClass('icon-right');
                        this.htmlDoms.icon.addClass('icon-check');
                        this.htmlDoms.refresh.hide();
                        this.$element.find('.verify-msg:eq(1)').text('验证成功');
                        this.isEnd = true;
                        this.options.success(this);
                    } else {
                        this.$element.find('.verify-msg:eq(1)').text('');
                        this.htmlDoms.move_block.css('background-color', '#d9534f');
                        this.htmlDoms.left_bar.css('border-color', '#d9534f');
                        this.htmlDoms.icon.css('color', '#fff');
                        this.htmlDoms.icon.removeClass('icon-right');
                        this.htmlDoms.icon.addClass('icon-close');
                        this.isEnd = true;

                        setTimeout(function() {
                            _this.$element.find('.verify-msg:eq(1)').text('');
                            _this.refresh();
                            _this.isEnd = false;
                        }, 400);

                        this.options.error(this);
                    }
                }

                this.status = false;
            }
        },

        //弹出式
        showImg: function() {
            this.htmlDoms.out_panel.css({ 'display': 'block' });
            this.htmlDoms.sub_block.css({ 'display': 'block' });
        },

        //固定式
        hideImg: function() {
            this.htmlDoms.out_panel.css({ 'display': 'none' });
            this.htmlDoms.sub_block.css({ 'display': 'none' });
        },


        resetSize: function(obj) {
            var img_width, img_height, bar_width, bar_height, block_width, block_height, circle_radius; //图片的宽度、高度，移动条的宽度、高度
            var parentWidth = obj.$element.parent().width() || $(window).width();
            var parentHeight = obj.$element.parent().height() || $(window).height();

            if (obj.options.imgSize.width.indexOf('%') != -1) {
                img_width = parseInt(obj.options.imgSize.width) / 100 * parentWidth + 'px';　　
            } else {
                img_width = obj.options.imgSize.width;
            }

            if (obj.options.imgSize.height.indexOf('%') != -1) {
                img_height = parseInt(obj.options.imgSize.height) / 100 * parentHeight + 'px';　　
            } else {
                img_height = obj.options.imgSize.height;
            }

            if (obj.options.barSize.width.indexOf('%') != -1) {
                bar_width = parseInt(obj.options.barSize.width) / 100 * parentWidth + 'px';　　
            } else {
                bar_width = obj.options.barSize.width;
            }

            if (obj.options.barSize.height.indexOf('%') != -1) {
                bar_height = parseInt(obj.options.barSize.height) / 100 * parentHeight + 'px';　　
            } else {
                bar_height = obj.options.barSize.height;
            }

            if (obj.options.blockSize) {
                if (obj.options.blockSize.width.indexOf('%') != -1) {
                    block_width = parseInt(obj.options.blockSize.width) / 100 * parentWidth + 'px';　　
                } else {
                    block_width = obj.options.blockSize.width;
                }


                if (obj.options.blockSize.height.indexOf('%') != -1) {
                    block_height = parseInt(obj.options.blockSize.height) / 100 * parentHeight + 'px';　　
                } else {
                    block_height = obj.options.blockSize.height;
                }
            }

            if (obj.options.circleRadius) {
                if (obj.options.circleRadius.indexOf('%') != -1) {
                    circle_radius = parseInt(obj.options.circleRadius) / 100 * parentHeight + 'px';　　
                } else {
                    circle_radius = obj.options.circleRadius;
                }
            }

            return { img_width: img_width, img_height: img_height, bar_width: bar_width, bar_height: bar_height, block_width: block_width, block_height: block_height, circle_radius: circle_radius };
        },

        //随机出生点位
        randSet: function() {
            var rand1 = Math.floor(Math.random() * 9 + 1);
            var rand2 = Math.floor(Math.random() * 9 + 1);
            var top = rand1 * parseInt(this.setSize.img_height) / 15 + parseInt(this.setSize.img_height) * 0.1;
            var left = rand2 * parseInt(this.setSize.img_width) / 15 + parseInt(this.setSize.img_width) * 0.1;

            this.x = left;
            this.y = top;


            if (this.options.mode == 'pop') {
                this.htmlDoms.sub_block.css({ 'top': '-' + (parseInt(this.setSize.img_height) + this.options.vSpace + parseInt(this.setSize.circle_radius) + parseInt(this.setSize.circle_radius) * 0.8 - this.y - 2) + 'px' });
            } else {
                this.htmlDoms.sub_block.css({ 'top': this.y - (parseInt(this.setSize.circle_radius) + parseInt(this.setSize.circle_radius) * 0.8) + 2 + 'px' });
            }


        },

        //刷新
        refresh: function() {
            var _this = this;
            this.htmlDoms.refresh.show();
            this.$element.find('.verify-msg:eq(1)').text('');
            this.$element.find('.verify-msg:eq(1)').css('color', '#000');
            this.htmlDoms.move_block.animate({ 'left': '0px' }, 'fast');
            this.htmlDoms.left_bar.animate({ 'width': parseInt(this.setSize.bar_height) }, 'fast');
            this.htmlDoms.left_bar.css({ 'border-color': '#ddd' });

            this.htmlDoms.move_block.css('background-color', '#fff');
            this.htmlDoms.icon.css('color', '#000');
            this.htmlDoms.icon.removeClass('icon-close');
            this.htmlDoms.icon.addClass('icon-right');
            this.$element.find('.verify-msg:eq(0)').text(this.options.explain);

            this.randSet();
            this.img_rand = Math.floor(Math.random() * this.options.imgName.length); //随机的背景图片

            var img = new Image();
            img.src = this.options.imgUrl + this.options.imgName[this.img_rand];

            // 加载完成开始绘制
            $(img).on('load', function(e) {
                _this.drawImg(_this, this);
            });

            this.isEnd = false;

            this.htmlDoms.sub_block.css('left', "0px");
        },

        //获取left值
        getLeft: function(node) {
            var left = $(node).offset().left;
            //            var left = 0;
            //            var nowPos = node.offsetParent;
            //
            //            while(nowPos != null) {
            //              left += $(nowPos).offset().left;
            //              nowPos = nowPos.offsetParent;
            //            }
            return left;
        }
    };


    //定义Points的构造函数
    var Points = function(ele, opt) {
        this.$element = ele,
            this.defaults = {
                mode: 'fixed', //弹出式pop，固定fixed
                defaultNum: 4, //默认的文字数量
                checkNum: 3, //校对的文字数量
                vSpace: 5, //间隔
                imgUrl: 'images/',
                imgName: ['1.jpg', '2.jpg'],
                imgSize: {
                    width: '400px',
                    height: '200px',
                },
                barSize: {
                    width: '400px',
                    height: '40px',
                },
                ready: function() {},
                success: function() {},
                error: function() {}
            },
            this.options = $.extend({}, this.defaults, opt)
    };

    //定义Points的方法
    Points.prototype = {
        init: function() {

            var _this = this;

            //加载页面
            _this.loadDom();

            _this.refresh();
            _this.options.ready();

            this.$element[0].onselectstart = document.body.ondrag = function() {
                return false;
            };


            if (this.options.mode == 'pop') {
                this.$element.on('mouseover', function(e) {
                    _this.showImg();
                });

                this.$element.on('mouseout', function(e) {
                    _this.hideImg();
                });


                this.htmlDoms.out_panel.on('mouseover', function(e) {
                    _this.showImg();
                });

                this.htmlDoms.out_panel.on('mouseout', function(e) {
                    _this.hideImg();
                });
            }


            //点击事件比对
            _this.$element.find('.verify-img-panel canvas').on('click', function(e) {

                _this.checkPosArr.push(_this.getMousePos(this, e));

                if (_this.num == _this.options.checkNum) {

                    _this.num = _this.createPoint(_this.getMousePos(this, e));
                    setTimeout(function() {
                        var flag = _this.comparePos(_this.fontPos, _this.checkPosArr);

                        if (flag == false) { //验证失败

                            _this.options.error(_this);
                            _this.$element.find('.verify-bar-area').css({ 'color': '#d9534f', 'border-color': '#d9534f' });
                            _this.$element.find('.verify-msg').text('验证失败');

                            setTimeout(function() {
                                _this.$element.find('.verify-bar-area').css({ 'color': '#000', 'border-color': '#ddd' });
                                _this.refresh();
                            }, 400);

                        } else { //验证成功
                            _this.$element.find('.verify-bar-area').css({ 'color': '#4cae4c', 'border-color': '#5cb85c' });
                            _this.$element.find('.verify-msg').text('验证成功');
                            _this.$element.find('.verify-refresh').hide();
                            _this.$element.find('.verify-img-panel').unbind('click');
                            _this.options.success(_this);
                        }
                    }, 400);

                }

                if (_this.num < _this.options.checkNum) {
                    _this.num = _this.createPoint(_this.getMousePos(this, e));
                }

            });

            //刷新
            _this.$element.find('.verify-refresh').on('click', function() {
                _this.refresh();
            });

        },



        //加载页面
        loadDom: function() {

            this.fontPos = []; //选中的坐标信息
            this.checkPosArr = []; //用户点击的坐标
            this.num = 1; //点击的记数
            this.img_rand = Math.floor(Math.random() * this.options.imgName.length); //随机的背景图片

            var panelHtml = '';
            var tmpHtml = '';

            this.setSize = Slide.prototype.resetSize(this); //重新设置宽度高度

            panelHtml += '<div class="verify-img-out"><div class="verify-img-panel"><div class="verify-refresh" style="z-index:3"><i class="iconfont icon-refresh"></i></div><canvas width="' + this.setSize.img_width + '" height="' + this.setSize.img_height + '"></canvas></div></div><div class="verify-bar-area"><span  class="verify-msg"></span></div>';

            this.$element.append(panelHtml);


            this.htmlDoms = {
                out_panel: this.$element.find('.verify-img-out'),
                img_panel: this.$element.find('.verify-img-panel'),
                bar_area: this.$element.find('.verify-bar-area'),
                msg: this.$element.find('.verify-msg'),
            };

            this.$element.css('position', 'relative');
            if (this.options.mode == 'pop') {
                this.htmlDoms.out_panel.css({ 'display': 'none', 'position': 'absolute', 'bottom': '42px' });
            } else {
                this.htmlDoms.out_panel.css({ 'position': 'relative' });
            }

            this.htmlDoms.out_panel.css('height', parseInt(this.setSize.img_height) + this.options.vSpace + 'px');
            this.htmlDoms.img_panel.css({ 'width': this.setSize.img_width, 'height': this.setSize.img_height, 'background-size': this.setSize.img_width + ' ' + this.setSize.img_height, 'margin-bottom': this.options.vSpace + 'px' });
            this.htmlDoms.bar_area.css({ 'width': this.options.barSize.width, 'height': this.setSize.bar_height, 'line-height': this.setSize.bar_height });

        },

        //绘制合成的图片
        drawImg: function(obj, img) {
            //准备canvas环境
            var canvas = this.$element.find('canvas')[0];
            //var canvas=document.getElementById("myCanvas");
            var ctx = canvas.getContext("2d");

            // 绘制图片
            ctx.drawImage(img, 0, 0, parseInt(this.setSize.img_width), parseInt(this.setSize.img_height));

            // 绘制水印
            var fontSizeArr = ['italic small-caps bold 20px microsoft yahei', 'small-caps normal 25px arial', '34px microsoft yahei'];
            var fontStr = '天地玄黄宇宙洪荒日月盈昃辰宿列张寒来暑往秋收冬藏闰余成岁律吕调阳云腾致雨露结为霜金生丽水玉出昆冈剑号巨阙珠称夜光果珍李柰菜重芥姜海咸河淡鳞潜羽翔龙师火帝鸟官人皇始制文字乃服衣裳推位让国有虞陶唐吊民伐罪周发殷汤坐朝问道垂拱平章爱育黎首臣伏戎羌遐迩体率宾归王'; //不重复的汉字


            var fontChars = [];

            var avg = Math.floor(parseInt(this.setSize.img_width) / (parseInt(this.options.defaultNum) + 1));
            var tmp_index = '';
            var color2Num = Math.floor(Math.random() * 5);

            for (var i = 1; i <= this.options.defaultNum; i++) {

                fontChars[i - 1] = this.getChars(fontStr, fontChars);

                tmp_index = Math.floor(Math.random() * 3);
                ctx.font = fontSizeArr[tmp_index];
                ctx.fillStyle = _code_color2[color2Num];

                if (Math.floor(Math.random() * 2) == 1) {
                    var tmp_y = Math.floor(parseInt(this.setSize.img_height) / 2) + tmp_index * 20 + 20;
                } else {
                    var tmp_y = Math.floor(parseInt(this.setSize.img_height) / 2) - tmp_index * 20;
                }

                ctx.fillText(fontChars[i - 1], avg * i, tmp_y);
                this.fontPos[i - 1] = { 'char': fontChars[i - 1], 'x': avg * i, 'y': tmp_y };

            }

            for (var i = 0; i < (this.options.defaultNum - this.options.checkNum); i++) {
                this.shuffle(this.fontPos).pop();
            }

            var msgStr = '';
            for (var i = 0; i < this.fontPos.length; i++) {
                msgStr += this.fontPos[i].char + ',';
            }

            this.htmlDoms.msg.text('请顺序点击【' + msgStr.substring(0, msgStr.length - 1) + '】');

            return this.fontPos;
        },

        //获取坐标
        getMousePos: function(obj, event) {
            var e = event || window.event;
            var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
            var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
            var x = e.clientX - ($(obj).offset().left - $(window).scrollLeft());
            var y = e.clientY - ($(obj).offset().top - $(window).scrollTop());

            return { 'x': x, 'y': y };
        },

        //递归去重
        getChars: function(fontStr, fontChars) {

            var tmp_rand = parseInt(Math.floor(Math.random() * fontStr.length));
            if (tmp_rand > 0) {
                tmp_rand = tmp_rand - 1;
            }

            tmp_char = fontStr.charAt(tmp_rand);
            if ($.inArray(tmp_char, fontChars) == -1) {
                return tmp_char;
            } else {
                return Points.prototype.getChars(fontStr, fontChars);
            }
        },

        //洗牌数组
        shuffle: function(arr) {
            var m = arr.length,
                i;
            var tmpF;
            while (m) {
                i = (Math.random() * m--) >>> 0;
                tmpF = arr[m];
                arr[m] = arr[i];
                arr[i] = tmpF;
                //[arr[m], arr[i]] = [arr[i], arr[m]];	//低版本浏览器不支持此写法
            }
            return arr;
        },

        //创建坐标点
        createPoint: function(pos) {
            this.htmlDoms.img_panel.append('<div class="point-area" style="background-color:#1abd6c;color:#fff;z-index:9999;width:30px;height:30px;text-align:center;line-height:30px;border-radius: 50%;position:absolute;top:' + parseInt(pos.y - 10) + 'px;left:' + parseInt(pos.x - 10) + 'px;">' + this.num + '</div>');
            return ++this.num;
        },

        //比对坐标点
        comparePos: function(fontPos, checkPosArr) {

            var flag = true;
            for (var i = 0; i < fontPos.length; i++) {
                if (!(parseInt(checkPosArr[i].x) + 40 > fontPos[i].x && parseInt(checkPosArr[i].x) - 40 < fontPos[i].x && parseInt(checkPosArr[i].y) + 40 > fontPos[i].y && parseInt(checkPosArr[i].y) - 40 < fontPos[i].y)) {
                    flag = false;
                    break;
                }
            }

            return flag;
        },

        //弹出式
        showImg: function() {
            this.htmlDoms.out_panel.css({ 'display': 'block' });
        },

        //固定式
        hideImg: function() {
            this.htmlDoms.out_panel.css({ 'display': 'none' });
        },

        //刷新
        refresh: function() {
            var _this = this;
            this.$element.find('.point-area').remove();
            this.fontPos = [];
            this.checkPosArr = [];
            this.num = 1;

            this.img_rand = Math.floor(Math.random() * this.options.imgName.length); //随机的背景图片
            var img = new Image();
            img.src = this.options.imgUrl + this.options.imgName[this.img_rand];


            // 加载完成开始绘制
            $(img).on('load', function(e) {
                this.fontPos = _this.drawImg(_this, this);
            });

            _this.$element.find('.verify-bar-area').css({ 'color': '#000', 'border-color': '#ddd' });
            _this.$element.find('.verify-msg').text('验证失败');
            _this.$element.find('.verify-refresh').show();
        },

    };

    //在插件中使用codeVerify对象
    $.fn.codeVerify = function(options, callbacks) {
        var code = new Code(this, options);
        code.init();
    };

    //在插件中使用slideVerify对象
    $.fn.slideVerify = function(options, callbacks) {
        var slide = new Slide(this, options);
        slide.init();
    };

    //在插件中使用clickVerify对象
    $.fn.pointsVerify = function(options, callbacks) {
        var points = new Points(this, options);
        points.init();
    };

})(jQuery, window, document);